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   Safari 11.0.3

   Agen G. N. Schmitz

   Apple has released [1]Safari 11.0.3 for OS X El Capitan 10.11.6 and
   macOS Sierra 10.12.6. OS X (High Sierra 10.13.3 also includes it; see
   '[2]Apple Releases iOS 11.2.5, macOS 10.13.3, watchOS 4.2.2, and tvOS
   11.2.5,' 23 January 2018). The update improves memory handling to
   resolve multiple memory corruption issues that could lead to arbitrary
   code execution if processing a maliciously crafted Web page. Safari
   11.0.3 is available only via Software Update. (Free, [3]release notes,
   10.11.6+)

References

   1. http://www.apple.com/safari/
   2. http://tidbits.com/article/17751
   3. https://support.apple.com/en-us/HT208475

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